public bool Export( string folder, string name, IFCExportOptions options )
| Exception | Condition |
|---|---|
| ArgumentException | NullOrEmpty -or- Contains invalid characters. |
| ArgumentNullException | A non-optional argument was null |
| FileArgumentNotFoundException | The IFCExportOptions FamilyMappingFile does not exist. |
| ForbiddenForDynamicUpdateException | This method may not be called during dynamic update. |
| InvalidOperationException | Export is temporarily disabled. -or- Exporting is not allowed in the current application mode. -or- This Document is not a project document. |
| InvalidPathArgumentException | The folder does not exist. |
| ModificationForbiddenException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document is being loaded, or is in the midst of another sensitive process. |
| ModificationOutsideTransactionException | The document has no open transaction. |
| OptionalFunctionalityNotAvailableException | The IFC module is not available in the installed Revit. |
This method may not be invoked during dynamic update, for the internal routine might need to modify the existing transaction.